Actinaria n 1: sea anemones [syn: {Actiniaria}, {order Actiniaria}, {Actinaria}, {order Actinaria}]
Actinaria \Ac`ti*na"ri*a\, n. pl. [NL., from Gr. ?, ?, ray.] (Zool.) An order of Anthozoa, including those which have simple tentacles and do not form stony corals. Sometimes, in a wider sense, applied to all the Anthozoa, expert the Alcyonaria, whether forming corals or not. [1913 Webster]
Anthozoa \An`tho*zo"a\, n. pl. [NL., fr. Gr. 'a`nqos flower + ? animal.] (Zool.) The class of the C[oe]lenterata which includes the corals and sea anemones. The three principal groups or orders are {Acyonaria}, {Actinaria}, and {Madreporaria}. [1913 Webster]